By contrast, the X‑37B experiment is designed as a compact, high-performance, resilient inertial navigation unit for real ...

Saturday's new moon is a seasonal "black moon" — a rare phenomenon that occurs once every 33 months. Here's what that means ...

A 2012 astronaut photo shows the striking beauty of Japan's Aso Caldera, a "supervolcanic" structure home to more than a ...

With new tools and greater autonomy, OpenAI's flagship AI chatbot is more capable, and potentially more dangerous, than ever.

A gene called ASDL, which helps synthesize DNA, differs between modern humans and our extinct human relatives. The findings ...

Forecasters expect Hurricane Erin, one of the fastest rapidly intensifying storms in history, to bring flooding and dangerous ...

Test your knowledge on all things science with our weekly, free crossword puzzle! If you enjoyed this, see how quickly you ...

Alpacas have pear-shaped ears and short noses, whereas llamas have longer, banana-shaped ears and lengthier faces. Alpacas ...

NOAA's GOES-19 satellite captured images of Hurricane Erin as it developed in the Atlantic and then rapidly strengthened into a Category 5 storm.

After chemotherapy, some people get "chemo curls" and other changes to their hair texture and appearance. But why?

A prominent Nature study and related research raise the possibility that vaccines may have a broader role in experimental ...

The bright band of the Milky Way and the faint glow of "zodiacal light" meet above the mountains of Chile's Atacama Desert in ...